发明名称 TETHERED BALL DISCOUNT DETERMINING APPARATUS
摘要 This specification discloses apparatus for determining the discount which may be granted to a customer in a retail establishment, such as a food store, with the quantity and amount of the discount being determined by the skill of the customer in delivering a missile to a target board. The apparatus includes as a characteristic and essential element a checkout counter. The customer stands on one side of the counter and the target board is located on the opposite side.
申请公布号 US3762708(A) 申请公布日期 1973.10.02
申请号 USD3762708 申请日期 1972.03.01
申请人 ONG HING A,US 发明人 ONG HING A,US
分类号 A63F9/02 主分类号 A63F9/02
代理机构 代理人
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